Patents by Inventor Richard E. McClelland

Richard E. McClelland has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pulsation valve
    Patent number: 4581887
    Abstract: A valve mechanism for delivering time-spaced pulses of coolant air to coog passages within a turbine engine. The mechanism is designed for varying the pulse frequency to ascertain the affect that pulse frequency variations have on the cooling effect. The valve mechanism is manufacturable at relatively low cost, using standard shelf components and easily machined parts.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: April 15, 1986
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Charles E. Scheffler, Richard E. McClelland